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CVE-2016-6255

Publication date 7 March 2017

Last updated 24 July 2024

Ubuntu priority

High

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Portable UPnP SDK (aka libupnp) before 1.6.21 allows remote attackers to write to arbitrary files in the webroot via a POST request without a registered handler.

From the Ubuntu Security Team

Matthew Garrett discovered that libupnp mishandled POST requests by default. An attacker could use this vulnerability to write files to arbitrary locations in the victim's filesystem, possibly as root.

Status

Package Ubuntu Release Status
libupnp 22.04 LTS jammy Not in release
21.10 impish Not in release
21.04 hirsute Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
19.04 disco Not in release
18.10 cosmic
Not affected
18.04 LTS bionic
Not affected
17.10 artful Ignored end of life
17.04 zesty Ignored end of life
16.10 yakkety Ignored end of life
16.04 LTS xenial
15.10 wily Ignored end of life
14.04 LTS trusty
Fixed 1:1.6.17-1.2+deb7u1build0.14.04.1
12.04 LTS precise Ignored end of life

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Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N